A.當(dāng)構(gòu)件厚度≥5mm時,不小于86μm B.當(dāng)構(gòu)件厚度<5mm時,不小于65μm C.當(dāng)構(gòu)件厚度≥5mm時,不小于96μm D.當(dāng)構(gòu)件厚度<5mm時,不小于75μm
A.100MM B.150MM C.200MM D.300MM
A.50MM B.100MM C.150MM D.200MM